Si - English Unit Conversion Table

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SI – English unit conversion table:
Pressure
Length
English to SI
SI to English
English to SI
SI to English
1 atm =101.325 kPa
1 MPa = 9.87 atm
1 in =25.4 mm
1 cm = 0.394 in
2
2
= 15.4 MPa
1 MPa = 0.0647 ton/in
1 ft =30.5 cm
1 m = 3.28 ft
1 ton/in
2
2
= 6.895 kPa
1 kPa = 0.145 lbf/in
1 lbf/in
1 yd =0.914 m
1 m = 1.09 yd
1 mile =1.61 km
1 km = 0.621 mile
Velocity
Mass
English to SI
SI to English
English to SI
SI to English
1 miles/h = 1.61 km/h
1 km/h = 0.621 miles/h
1 oz = 28.3 g
1 g = 0.03527 oz
1 lb = 454 g
1 kg = 2.20 lb
1 ton = 1.02 tonnet(t)
1 t = 0.984 ton
Temperature
Area
English to SI
SI to English
English to SI
SI to English
2
2
2
2
= 6.45 cm
= 0.155 in
Fahrenheit(F) to Celsius(°C)
1 in
1 cm
°C = 5/9(F-32)
F = 9/5C + 32
2
2
2
2
= 929 cm
= 10.8 ft
1 ft
1 m
1 ac = 0.405 ha.
1 ha. = 2.47 ac
Density
Volume
English to SI
SI to English
English to SI
SI to English
3
3
3
3
3
3
3
3
=27.7 g/cm
1 lb/in
= 0.0283 m
= 35.3 ft
1 g/cm
= 0.031 lb/in
1 ft
1 m
3
3
3
3
= 1.33 t/m
3
3
1 bushel(bus) =0.0352 m
= 28.41 bus
1 ton/yd
1 t/m
= 0.752 ton/yd
1 m
Power
Volume (fluids)
English to SI
SI to English
English to SI
SI to English
1 hp =0.746 kWh
1 kW =1.34 hp
1 pint(pt) = 473 ml
1 l = 2.114 pt
1 gal = 4.55 l
1 L = 220 gal
Frequency
Force
English to SI
SI to English
English to SI
SI to English
1 1bf = 4.45 N
1 N = 0.225 lbf
1 cycle per second(c/s) = 1 Hz
Angular Velocity
English to SI
SI to English
1 rpm = 0.105 rad/s
1 rad/s = 9.55 rpm

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